A family friend has asked your help in analyzing the operations of three anonymous companies operating in the same service sector industry. Supply the missing data in the table below: (Loss amounts should be indicated by a minus sign.) Company A Company B Sales $ 9,000,000 $ 7,000,000 Company C $ 4,500,000 Net operating income $ 280,000 Average operating assets $ 3,000,000 $ 1,800,000 Return on investment (ROI) 18 % 14 % % Minimum required rate of return: Percentage 16 % % 15% Dollar amount Residual income $ 320,000 $ 90,000